1620448

素因数分解:

$2^5\times {\mathrm{79}}^1\times {\mathrm{641}}^1$

素因数の和:730

約数の個数: 24

約数和(自身を含む): 3235680

約数和(自身を除く): 1615232

約数列:

[1, 2, 4, 8, 16, 32, 79, 158, 316, 632, 641, 1264, 1282, 2528, 2564, 5128, 10256, 20512, 50639, 101278, 202556, 405112, 810224, 1620448]

約数ペア:

[(1, 1620448), (2, 810224), (4, 405112), (8, 202556), (16, 101278), (32, 50639), (79, 20512), (158, 10256), (316, 5128), (632, 2564), (641, 2528), (1264, 1282)]